Christian Stingl@c_stinglAustriaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencec_stingl has not updated employment details yet.Educationc_stingl has not updated education details yet.